1.
Anything that takes up space and has mass
2.
The smallest unit of matter
3.
Two or more atoms joined together
4.
State of matter with a definite shape and volume
5.
State of matter that has a definite volume but no definite shape
6.
State of matter that has no definite shape or volume
7.
The ability to do work or cause change
8.
A push or a pull on an object
9.
A force that slows or stops motion when two surfaces rub together
10.
The force that pulls objects toward Earth
11.
An object that can attract iron or steel
12.
A change in position over time
13.
How fast something moves
14.
A measure of how hot or cold something is
15.
A material that allows heat or electricity to flow through easily
16.
A material that does not allow heat or electricity to flow through easily
17.
A path that electricity can flow through
18.
A form of energy that helps us see
19.
Vibrations that travel through air, water, or solids to our ears
20.
Rapid back-and-forth movement that causes sound
